{"id":4452,"date":"2026-03-24T07:11:12","date_gmt":"2026-03-24T07:11:12","guid":{"rendered":"https:\/\/hydrathpower.com\/?p=4452"},"modified":"2026-03-24T07:11:12","modified_gmt":"2026-03-24T07:11:12","slug":"comment-choisir-les-serrures-a-cylindre","status":"publish","type":"post","link":"https:\/\/hydrathpower.com\/fr\/how-to-choose-cylinder-locks\/","title":{"rendered":"Verrous de v\u00e9rins hydrauliques : Maintien et s\u00e9lection de la charge en toute s\u00e9curit\u00e9"},"content":{"rendered":"<section id=\"title-meta\">\n<div>\n<p><span style=\"font-size: 1.7em; font-weight: bold;\">D\u00e9finition<\/span><\/p>\n<\/div>\n<\/section>\n<section id=\"definition-en\">A <a href=\"\/hydraulic-cylinders\/\">cylindre hydraulique<\/a> est un dispositif m\u00e9canique qui maintient une tige de v\u00e9rin en place m\u00eame en cas de perte de pression hydraulique. Il est utilis\u00e9 pour le maintien de la charge en toute s\u00e9curit\u00e9 dans les charges suspendues, les plates-formes sur\u00e9lev\u00e9es, les actionneurs de portail et les syst\u00e8mes de levage.<br \/>\n<img fetchpriority=\"high\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-cylinder-lock-300x200.jpg\" class=\"alignnone size-medium wp-image-4455 lazyload\" alt=\"verrouillage du cylindre hydraulique\" width=\"300\" height=\"200\"><noscript><img decoding=\"async\" class=\"alignnone size-medium wp-image-4455\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-cylinder-lock-300x200.jpg\" alt=\"verrouillage du cylindre hydraulique\" width=\"300\" height=\"200\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-cylinder-lock-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-cylinder-lock-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-cylinder-lock-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-cylinder-lock-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/hydraulic-cylinder-lock.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript><\/section>\n<section id=\"specify-en\">\n<h2>Comment sp\u00e9cifier<\/h2>\n<ol>\n<li>D\u00e9finir le cas de s\u00e9curit\u00e9 : charge suspendue, exigence de s\u00e9curit\u00e9 int\u00e9gr\u00e9e, tol\u00e9rance de d\u00e9rive nulle.<\/li>\n<li>S\u00e9lectionner le type de verrouillage : verrouillage en fin de course (goupilles\/verrous), serrage en fin de course (\u00e0 ressort ou pneumatique), verrouillage par manchon d'interf\u00e9rence.<\/li>\n<li>Adaptation de la taille et de l'ajustement de la tige : diam\u00e8tres de tige courants ; assure un verrouillage et une rigidit\u00e9 positifs.<\/li>\n<li>V\u00e9rifier la pression nominale : de nombreux mod\u00e8les visent \u2264 2500 psi ; v\u00e9rifier la charge et les limites de l'application.<\/li>\n<li>D\u00e9clenchement du plan et entretien : d\u00e9clenchement automatique, pneumatique\/hydraulique, commande manuelle ; acc\u00e8s au service et contr\u00f4le de l'usure.\n<p><figure id=\"attachment_4456\" aria-describedby=\"caption-attachment-4456\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Stroke-Anywhere-Locking-Systems-300x200.jpg\" class=\"size-medium wp-image-4456 lazyload\" alt=\"Syst\u00e8mes de verrouillage de type &quot;Stroke-Anywhere\" width=\"300\" height=\"200\"><figcaption id=\"caption-attachment-4456\" class=\"wp-caption-text\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4456\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Stroke-Anywhere-Locking-Systems-300x200.jpg\" alt=\"Syst\u00e8mes de verrouillage de type &quot;Stroke-Anywhere\" width=\"300\" height=\"200\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Stroke-Anywhere-Locking-Systems-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Stroke-Anywhere-Locking-Systems-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Stroke-Anywhere-Locking-Systems-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Stroke-Anywhere-Locking-Systems-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Stroke-Anywhere-Locking-Systems.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript> Syst\u00e8mes de verrouillage de type \"Stroke-Anywhere<\/figcaption><\/figure><\/li>\n<\/ol>\n<\/section>\n<section id=\"specify-cn\"><\/section>\n<section id=\"comparison-en\">\n<h2>Stroke-End vs Anywhere vs Interference<\/h2>\n<table>\n<thead>\n<tr>\n<th>Fonctionnalit\u00e9<\/th>\n<th>Verrouillage en bout de course<\/th>\n<th>Collier de serrage \u00e0 course libre<\/th>\n<th>Verrouillage du manchon d'interf\u00e9rence<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td>Position de verrouillage<\/td>\n<td>Extension\/r\u00e9traction compl\u00e8te<\/td>\n<td>N'importe o\u00f9 le long du trait<\/td>\n<td>Se contracte sur la tige lorsque la pression est supprim\u00e9e<\/td>\n<\/tr>\n<tr>\n<td>M\u00e9thode de lib\u00e9ration<\/td>\n<td>Goupilles\/verrous manuels ou d\u00e9clench\u00e9s par un actionneur<\/td>\n<td>Appliqu\u00e9 par ressort, lib\u00e9r\u00e9 pneumatiquement ou serr\u00e9<\/td>\n<td>Pression - dilat\u00e9e pour se d\u00e9placer, contract\u00e9e pour se bloquer<\/td>\n<\/tr>\n<tr>\n<td>Contrecoup\/d\u00e9rive<\/td>\n<td>Faible lors de l'engagement<\/td>\n<td>Faible ; d\u00e9pend de la conception de la pince<\/td>\n<td>Conception sans jeu, grande rigidit\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Complexit\u00e9<\/td>\n<td>Peu co\u00fbteux, simple<\/td>\n<td>Mod\u00e9r\u00e9 ; positionnement flexible<\/td>\n<td>Plus haut ; m\u00e9canisme de manchon int\u00e9gr\u00e9<\/td>\n<\/tr>\n<tr>\n<td>Valeur nominale<\/td>\n<td>Jusqu'\u00e0 ~2500 psi (variable)<\/td>\n<td>Jusqu'\u00e0 ~2500 psi (variable)<\/td>\n<td>Jusqu'\u00e0 ~2500 psi (variable)<\/td>\n<\/tr>\n<tr>\n<td>Cas d'utilisation<\/td>\n<td>Points de verrouillage fixes<\/td>\n<td>Maintien en position variable<\/td>\n<td>Verrouillage automatique \u00e0 s\u00e9curit\u00e9 int\u00e9gr\u00e9e<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/section>\n<section id=\"comparison-cn\">\n<figure id=\"attachment_4457\" aria-describedby=\"caption-attachment-4457\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Interference-Sleeve-Lock-300x200.jpg\" class=\"size-medium wp-image-4457 lazyload\" alt=\"Verrouillage du manchon d&#039;interf\u00e9rence\" width=\"300\" height=\"200\"><figcaption id=\"caption-attachment-4457\" class=\"wp-caption-text\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4457\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Interference-Sleeve-Lock-300x200.jpg\" alt=\"Verrouillage du manchon d&#039;interf\u00e9rence\" width=\"300\" height=\"200\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Interference-Sleeve-Lock-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Interference-Sleeve-Lock-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Interference-Sleeve-Lock-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Interference-Sleeve-Lock-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Interference-Sleeve-Lock.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript> Verrouillage du manchon d'interf\u00e9rence<\/figcaption><\/figure>\n<\/section>\n<section id=\"pros-cons-en\">\n<h2>Avantages et inconv\u00e9nients<\/h2>\n<ul>\n<li><strong>Avantages :<\/strong> verrouillage \u00e0 s\u00e9curit\u00e9 int\u00e9gr\u00e9e, d\u00e9rive nulle, \u00e9conomie d'\u00e9nergie en \u00e9vitant le maintien hydraulique continu, conformit\u00e9 \u00e0 la s\u00e9curit\u00e9 pour les charges suspendues.<\/li>\n<li><strong>Inconv\u00e9nients :<\/strong> limites de pression nominale (souvent \u2264 2500 psi), enveloppe\/poids suppl\u00e9mentaire, complexit\u00e9 d'int\u00e9gration par rapport aux vannes.<\/li>\n<\/ul>\n<\/section>\n<section id=\"pros-cons-cn\"><\/section>\n<section id=\"faq\">\n<h2>FAQ<\/h2>\n<article>\n<h3>Q1. Verrouillage de bouteille ou valve de maintien de charge - que dois-je utiliser ?<\/h3>\n<p>Utilisez les serrures \u00e0 cylindre pour s\u00e9curiser m\u00e9caniquement les charges sans pression ; utilisez les vannes de maintien de charge pour maintenir et contr\u00f4ler hydrauliquement le mouvement. Pour une s\u00e9curit\u00e9 optimale, combinez les deux.<\/p>\n<figure id=\"attachment_4458\" aria-describedby=\"caption-attachment-4458\" style=\"width: 300px\" class=\"wp-caption alignnone\"><img loading=\"lazy\" decoding=\"async\" src=\"data:image\/gif;base64,R0lGODlhAQABAIAAAAAAAP\/\/\/yH5BAEAAAAALAAAAAABAAEAAAIBRAA7\" data-src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mechanical-Locking-Mechanism-300x200.jpg\" class=\"size-medium wp-image-4458 lazyload\" alt=\"M\u00e9canisme de verrouillage m\u00e9canique\" width=\"300\" height=\"200\"><figcaption id=\"caption-attachment-4458\" class=\"wp-caption-text\"><noscript><img loading=\"lazy\" decoding=\"async\" class=\"size-medium wp-image-4458\" src=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mechanical-Locking-Mechanism-300x200.jpg\" alt=\"M\u00e9canisme de verrouillage m\u00e9canique\" width=\"300\" height=\"200\" srcset=\"https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mechanical-Locking-Mechanism-300x200.jpg 300w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mechanical-Locking-Mechanism-1024x683.jpg 1024w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mechanical-Locking-Mechanism-768x512.jpg 768w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mechanical-Locking-Mechanism-18x12.jpg 18w, https:\/\/hydrathpower.com\/wp-content\/uploads\/2026\/03\/Mechanical-Locking-Mechanism.jpg 1200w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/noscript> M\u00e9canisme de verrouillage m\u00e9canique<\/figcaption><\/figure>\n<\/article>\n<article>\n<h3>Q2. Les serrures \u00e0 cylindre sont-elles adapt\u00e9es aux charges lourdes \u00e0 haute pression ?<\/h3>\n<p>De nombreux mod\u00e8les sont con\u00e7us pour une pression nominale d'environ \u2264 2500 psi. Pour des charges ou des pressions plus \u00e9lev\u00e9es, il convient d'examiner les limites impos\u00e9es par le fabricant et d'envisager d'autres dispositifs de s\u00e9curit\u00e9 ou solutions techniques.<\/p>\n<\/article>\n<article>\n<h3>Q3. Comment les serrures de type \"stroke-anywhere\" se d\u00e9bloquent-elles et s'enclenchent-elles ?<\/h3>\n<p>G\u00e9n\u00e9ralement \u00e0 ressort et \u00e0 d\u00e9clenchement pneumatique ; les mod\u00e8les \u00e0 action automatique se bloquent lorsque la course est termin\u00e9e ou que la pression est perdue, puis se d\u00e9bloquent avec l'action de la commande.<\/p>\n<\/article>\n<article>\n<h3>Q4. Les serrures \u00e0 cylindre permettent-elles d'\u00e9conomiser de l'\u00e9nergie ?<\/h3>\n<p>Oui. En \u00e9vitant les mouvements impr\u00e9vus de la tige et en \u00e9vitant une pression hydraulique continue pour le maintien, ils r\u00e9duisent la consommation d'\u00e9nergie et la chaleur.<\/p>\n<\/article>\n<\/section>\n<section id=\"references\"><\/section>","protected":false},"excerpt":{"rendered":"<p>Definition A hydraulic cylinder lock is a mechanical device that secures a cylinder rod in place even when hydraulic pressure [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":4454,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"set","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[1],"tags":[],"class_list":["post-4452","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.8 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Hydraulic Cylinder Locks: Fail\u2011Safe Load Holding and Selection<\/title>\n<meta name=\"description\" content=\"Learn how cylinder locks secure suspended loads without pressure. 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